TY - BOOK AU - Sobel,Max A. AU - Maletsky,Evan M. TI - Teaching mathematics : : a sourcebook of aids, activities, and strategies SN - 0138941394 U1 - 510/.7/12 PY - 1974///, c1975 CY - Englewood Cliffs, N.J PB - Prentice-Hall KW - Mathematics KW - Study and teaching (Secondary) N1 - includes index ; 1. The art of teaching 2. Motivational ideas 3. Recreational activities 4. Laboratory experiments 5. Classroom aids and models 6. Audiovisual facilities, resources and references ER -